【用途】:
印染工业作为脱氧剂和漂白剂,用于各种棉织物的煮炼,可防止棉布纤维局部氧化,影响纤维强度。
水处理行业用作电镀废水、饮用水、泳池水的去氯剂。
造纸行业用作木质素脱除剂。
纺织工业用作人造纤维的稳定剂。
混凝土建筑行业用作减水剂。
还可用于电子、洗涤、化妆品、防腐、皮革、感光、农药等行业。
Application
Leather trade:
The sulfitization of tanning extracts
Chemical manufacturing:
Sulfonation and sulfomethylation agent. It is used in theproduction of sodium thiosulfate.
Photographic industry:
To protect developer solutions from oxidation and (as hypo clearsolution) to wash fixer (sodium thiosulfate) from film andphoto-paper emulsions.
Pulp and paper industry:Lignin removal agent
Water treatment: Oxygen scavenger agent
Textile industry:
Bleaching, desulfurizing and dechlorinating agent
Printing and dyeing industry:
Used as deoxidizer and bleaching agent